try use ccache

Author: Saadnajmi

.ado/scripts/xcodebuild.sh

@@ -23,7 +23,7 @@ build_cmd=$(
 
 )
 
-if [[ "$CCACHE_DISABLE" != "1" ]]; then
+if [[ "$USE_CCACHE" == "1" ]]; then
   if ! command -v ccache 1> /dev/null; then
     brew install ccache
   fi
@@ -45,6 +45,6 @@ fi
 
 eval "$build_cmd" | xcbeautify --report junit
 
-if [[ "$CCACHE_DISABLE" != "1" ]]; then
+if [[ "$USE_CCACHE" == "1" ]]; then
   ccache --show-stats --verbose
 fi

.github/workflows/microsoft-build-rntester.yml

@@ -66,7 +66,7 @@ jobs:
 
       - name: Build ${{ matrix.scheme }}
         env:
-          CCACHE_DISABLE: 1
+          USE_CCACHE: 1
         run: |
           set -eox pipefail
           .ado/scripts/xcodebuild.sh packages/rn-tester/RNTesterPods.xcworkspace ${{ matrix.sdk }} Debug ${{ matrix.scheme }} build